ArticleAngewandte Chemie (International ed. in English)2022
Shape-Shifting Molecules: Unveiling the Valence Tautomerism Phenomena in Bare Barbaralones.
Article in Angewandte Chemie (International ed. in English), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Dual-radical-based molecular anisotropy and synergy effect of semi-conductivity and valence tautomerization in a photoswitchable coordination polymer.National science review · 2023Article
- The eight structures of caffeic acid: a jet-cooled laser ablated rotational study.RSC advances · 2022Article
- The Nicotinic Agonist Cytisine: The Role of the NH···N Interaction.The journal of physical chemistry letters · 2022Article
- Shape-Shifting Molecules: Unveiling the Valence Tautomerism Phenomena in Bare Barbaralones.Angewandte Chemie (International ed. in English) · 2022Article
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Abstract
We report a state-of-the-art spectroscopic study of an archetypical barbaralone, conclusively revealing the valence tautomerism phenomena for this bistable molecular system. The two distinct 1- and 5-substituted valence tautomers have been isolated in a supersonic expansion for the first time and successfully characterized by high-resolution rotational spectroscopy. This work provides irrefutable experimental evidence of the [3,3]-rearrangement in barbaralones and highlights the use of rotational spectroscopy to analyze shape-shifting mixtures. Moreover, this observation opens the window toward the characterization of new fluxional systems in the isolation conditions of the gas phase and should serve as a reference point in the general understanding of valence tautomerism.
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